init nix-os configuraion files

modules/home/hyprland/conf/hypr/scripts/screenshot.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/env sh
+
+if [ -z "$XDG_PICTURES_DIR" ] ; then
+    XDG_PICTURES_DIR="$HOME/Pictures"
+fi
+
+save_dir="${2:-$XDG_PICTURES_DIR}"
+save_file=$(date +'%y%m%d_%Hh%Mm%Ss_screenshot.png')
+ncolor="-h string:bgcolor:#343d46 -h string:fgcolor:#c0c5ce -h string:frcolor:#c0c5ce"
+
+if [ ! -d "$save_dir" ] ; then
+    mkdir -p $save_dir
+fi
+
+case $1 in
+p) grim $save_dir/$save_file ;;
+s) grim -g "$(slurp)" - | swappy -f - ;;
+*)  echo "...valid options are..."
+    echo "p : print screen to $save_dir"
+    echo "s : snip current screen to $save_dir"   
+    exit 1 ;;
+esac
+
+if [ -f "$save_dir/$save_file" ] ; then
+    dunstify $ncolor "theme" -a "saved in $save_dir" -i "$save_dir/$save_file" -r 91190 -t 2200
+fi